
50
The following tables provide trouble symptoms, a diagnosis of specific causes, and a
recommended action which should result in proper print engine operation.
If you are in need of technical assistance, contact your equipment supplier.
Power On Troubleshooting
Print Engine Troubleshooting
Table 6: Power On Troubleshooting
Symptom Diagnosis Action
All lights on, but nothing dis-
plays on the LCD, and the print
engine locks up.
Internal electronic or firmware
failure.
Call a service technician.
Print engine locks up while run-
ning the Power On Self Test.
Main Logic Board failure. Call a service technician.
EEPROM TEST FAILED EEPROM checksum is incorrect. Call a service technician.
Table 7: Print Engine Troubleshooting
Symptom Diagnosis Action
ERROR CONDITION RIBBON
OUT
Print engine stops; RIBBON
light ON, ERROR light flashes.
For Thermal Transfer: Ribbon
not loaded or incorrectly loaded.
Ribbon Sensor not detecting rib-
bon that is loaded correctly.
Load ribbon correctly. See “Ribbon Loading” on
page 11.
Perform “Media and Ribbon Sensor Calibration”
on page 27.
WARNING RIBBON IN
RIBBON light ON, ERROR
light flashes. Print Engine still
prints.
For Direct Thermal: Ribbon
loaded.
or
Media blocking the Ribbon Sen-
sor.
Remove ribbon. Load media correctly. Perform
“Media and Ribbon Sensor Calibration” on page
18.
ERROR CONDITION PAPER
OUT
Print engine stops; MEDIA light
ON, ERROR light flashes.
No media loaded or incorrectly
loaded.
Load media correctly. See “Media & Ribbon Load-
ing” on page 9.
Misadjusted Media Sensor. Check position of the Media Sensor.
Print engine set for non-
continuous media, but continu-
ous media is loaded.
Install proper media or reset print engine for cur-
rent media type and perform calibration.
ERROR CONDITION HEAD
OPEN
Print engine stops and ERROR
light flashes.
Printhead is not fully closed. Close printhead completely.
Head Open Sensor not working
properly.
Call a service technician.
WARNING HEAD TOO HOT
Print engine stops and ERROR
light flashes.
Printhead is overheated. Allow print engine to cool. Printing resumes when
the printhead elements cool to operating tempera-
ture.
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